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  1. #1

    XMC: Serial Number or UID?

    Hello at all,

    does anyone know if the XMC microcontroller has a serial number or UID, which is unique assigned to this chip and which I can read? This number should exist only once in the world.
    And how do I read these out? Or at which address range can I find this number?

    Regards Patrick

  2. #2

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
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    Hi,

    The unique chipid is 16bytes long.

    In XMC1 family the unique chip id is located at 0x10000FF0.
    In XMC4 familiy there is the g_chipid which is initialized at startup with the contents of the unique chip id, see SystemInit() in system_XMC4x00.


    Regards,
    Jesus
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  3. #3
    Hello,

    thank you. This is perfect.

    Best Regards
    Patrick

  4. #4
    Beginner Beginner ErnieT is on a distinguished road
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    If I remember correctly, there are forum posts here which state that the unique ID isn't unique among several chips of the same batch.

  5. #5

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
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    Hi,

    The chip id coded in the 16bytes is unique.

    Regards,
    Jesus
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  6. #6
    Beginner Beginner ErnieT is on a distinguished road
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    Hello Jesus,

    I'm refering to Travis' post here: https://www.infineonforums.com/threa...ull=1#post3065
    Could you please clarify?

    Best regards,
    Ernie T.

  7. #7

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
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    Hi,

    The 16bytes chip id is absolute unique for every XMC4000/XMC1000.

    Regards,
    Jesus
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  8. #8
    Beginner Beginner ErnieT is on a distinguished road
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    Hello Jesus,

    thank you for the clarification! In th case partial information in the referenced thread is wrong, which resulted in uncertainty among forum users - including myself.
    Do you recommend linking it to this thread?

    Best regards,
    Ernie T.

  9. #9
    New Member New Member Howard73 is on a distinguished road
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    A reference on how to retrieve the UCID for the XMC1000 family.

    https://www.infineon.com/dgdl/DEV_XM...41a157c58f000c

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